arch/arm/Kconfig.debug

1 # SPDX-License-Identifier: GPL-2.0
44 		once the kernel has booted up - it's a one time check.
104 	      1 - undefined instruction events
105 	      2 - system calls
106 	      4 - invalid data aborts
107 	      8 - SIGSEGV faults
108 	     16 - SIGBUS faults
112 	bool "Kernel low-level debugging functions (read help!)"
125 	prompt "Kernel low-level debugging port"
129 		bool "Kernel low-level debugging messages via Alpine UART0"
133 		  Say Y here if you want kernel low-level debugging support
137 		bool "Kernel low-level debugging via asm9260 UART"
141 		  their output to an UART or USART port on asm9260 based
158 		bool "Kernel low-level debugging on AT91RM9200, AT91SAM9, SAM9X60 DBGU"
162 		  Say Y here if you want kernel low-level debugging support
163 		  on the DBGU port of:
168 		bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU"
172 		  Say Y here if you want kernel low-level debugging support
173 		  on the DBGU port of:
178 		bool "Kernel low-level debugging on SAMA5D2 UART1"
182 		  Say Y here if you want kernel low-level debugging support
183 		  on the UART1 port of sama5d2.
186 		bool "Kernel low-level debugging on SAMA5D4 USART3"
190 		  Say Y here if you want kernel low-level debugging support
191 		  on the USART3 port of sama5d4.
194 		bool "Kernel low-level debugging via SAMV7 USART1"
199 		  their output to the USART1 port on SAMV7 based
203 		bool "Kernel low-level debugging on SAMA7G5 FLEXCOM3"
207 		  Say Y here if you want kernel low-level debugging support
208 		  on the FLEXCOM3 port of SAMA7G5.
211 		bool "Kernel low-level debugging on LAN966 FLEXCOM USART"
215 		Say Y here if you want kernel low-level debugging support
216 		on the FLEXCOM port of LAN966.
226 		By default, enabling FLEXCOM3 port. Based on requirement, use
231 		bool "Kernel low-level debugging on BCM2835 PL011 UART"
236 		bool "Kernel low-level debugging on BCM2836 PL011 UART"
241 		bool "Kernel low-level debugging on BCM5301X/NSP UART1"
246 		bool "Kernel low-level debugging on Hurricane 2 UART2"
251 		bool "Kernel low-level debugging on BCM IPROC UART3"
256 		  their output to the third serial port on these devices.
259 		bool "Kernel low-level debugging messages via BCM KONA UART"
263 		  Say Y here if you want kernel low-level debugging support
265 		  This low level debug works for Broadcom
270 		bool "Kernel low-level debugging on BCM63XX UART"
278 		  Say Y here if you want kernel low-level debugging support
282 		bool "Use BRCMSTB UART for low-level debug"
286 		  their output to the first serial port on these devices. The
294 		bool "Kernel low-level debugging messages via UART1"
298 		  their output to the first serial port on these devices.
301 		bool "Kernel low-level debugging messages via UART2"
305 		  their output to the second serial port on these devices.
308 		bool "Kernel low-level debugging on DaVinci DA8XX using UART1"
313 		  their output to UART1 serial port on DaVinci DA8XX devices.
316 		bool "Kernel low-level debugging on DaVinci DA8XX using UART2"
321 		  their output to UART2 serial port on DaVinci DA8XX devices.
324 		bool "Kernel low-level debugging messages via footbridge serial port"
328 		  their output to the serial port in the DC21285 (Footbridge).
331 		bool "Kernel low-level debugging messages via Digicolor UA0"
335 		  their output to the UA0 serial port in the CX92755.
338 		bool "Kernel low-level debugging messages via ep93xx UART"
342 		  Say Y here if you want kernel low-level debugging support
346 		bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
354 		bool "Kernel low-level debugging messages via Cortina Systems Gemini UART"
358 		  Say Y here if you want kernel low-level debugging support
366 		  Say Y here if you want kernel low-level debugging support
370 		bool "Kernel low-level debugging messages via Highbank UART"
382 		  Say Y here if you want kernel low-level debugging support
390 		  Say Y here if you want kernel low-level debugging support
398 		  Say Y here if you want kernel low-level debugging support
405 		  Say Y here if you want kernel low-level debugging support
413 		  Say Y here if you want kernel low-level debugging support
420 		  Say Y here if you want kernel low-level debugging support
427 		  Say Y here if you want kernel low-level debugging support
435 		  Say Y here if you want kernel low-level debugging support
442 		  Say Y here if you want kernel low-level debugging support
449 		  Say Y here if you want kernel low-level debugging support
456 		  Say Y here if you want kernel low-level debugging support
463 		  Say Y here if you want kernel low-level debugging support
470 		  Say Y here if you want kernel low-level debugging support
477 		  Say Y here if you want kernel low-level debugging support
484 		  Say Y here if you want kernel low-level debugging support
491 		  Say Y here if you want kernel low-level debugging support
498 		  Say Y here if you want kernel low-level debugging support
505 		  Say Y here if you want kernel low-level debugging support
509 		bool "Kernel low-level debugging messages via ARM Integrator UART"
513 		  Say Y here if you want kernel low-level debugging support
517 		bool "Kernel low-level debugging on KEYSTONE2 using UART0"
522 		  their output to UART0 serial port on KEYSTONE2 devices.
525 		bool "Kernel low-level debugging on KEYSTONE2 using UART1"
530 		  their output to UART1 serial port on KEYSTONE2 devices.
533 		bool "Kernel low-level debugging via LPC18xx/43xx UART0"
537 		  Say Y here if you want kernel low-level debugging support
541 		bool "Kernel low-level debugging messages via NXP LPC32xx UART"
545 		  Say Y here if you want kernel low-level debugging support
549 		bool "Kernel low-level debugging via Meson6 UARTAO"
552 		  Say Y here if you want kernel low-lever debugging support
556 		bool "Kernel low-level debugging message via MMP UART2"
560 		  Say Y here if you want kernel low-level debugging support
564 		bool "Kernel low-level debugging message via MMP UART3"
568 		  Say Y here if you want kernel low-level debugging support
572 		bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)"
577 		  Say Y here if you want kernel low-level debugging support
592 		  when u-boot hands over to the kernel, the system
596 		bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)"
600 		  Say Y here if you want kernel low-level debugging support
609 		  when u-boot hands over to the kernel, the system
613 		bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)"
617 		  Say Y here if you want kernel low-level debugging support
627 		  when u-boot hands over to the kernel, the system
631 		bool "Kernel low-level debugging messages via MSTARV7 PM UART"
635 		  Say Y here if you want kernel low-level debugging support
636 		  for MSTAR ARMv7-based platforms on PM UART.
643 		  Say Y here if you want kernel low-level debugging support
651 		  Say Y here if you want kernel low-level debugging support
659 		  Say Y here if you want kernel low-level debugging support
663 		bool "Kernel low-level debugging messages via NOMADIK UART"
667 		  Say Y here if you want kernel low-level debugging support
671 		bool "Kernel low-level debugging via TI-NSPIRE 8250 UART"
675 		  Say Y here if you want kernel low-level debugging support
676 		  on TI-NSPIRE classic models.
679 		bool "Kernel low-level debugging via TI-NSPIRE PL011 UART"
683 		  Say Y here if you want kernel low-level debugging support
684 		  on TI-NSPIRE CX models.
687 		bool "Kernel low-level debugging via OMAP1 UART1"
691 		  Say Y here if you want kernel low-level debugging support
695 		bool "Kernel low-level debugging via OMAP1 UART2"
699 		  Say Y here if you want kernel low-level debugging support
703 		bool "Kernel low-level debugging via OMAP1 UART3"
707 		  Say Y here if you want kernel low-level debugging support
719 		bool "Kernel low-level debugging messages via OMAP2/3/4 UART2"
724 		bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)"
729 		bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)"
738 		bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)"
743 		bool "Kernel low-level debugging messages via OMAP36XX UART4"
748 		bool "Kernel low-level debugging messages via OMAP4/5 UART4"
753 		bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)"
758 		bool "Kernel low-level debugging messages via TI81XX UART2"
763 		bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)"
768 		bool "Kernel low-level debugging messages via AM33XX UART1"
773 		bool "Kernel low-level debugging messages via Zoom2/3 UART"
779 		bool "Use PXA UART1 for low-level debug"
782 		  Say Y here if you want kernel low-level debugging support
786 		bool "Kernel low-level debugging messages via QCOM UARTDM"
790 		  their output to the serial port on Qualcomm devices.
809 		  their output to the serial port on RealView EB, PB11MP, PBA8
818 		  their output to the standard serial port on the RealView
822 		bool "Kernel low-level debugging messages via Rockchip RV1108 UART0"
826 		  Say Y here if you want kernel low-level debugging support
830 		bool "Kernel low-level debugging messages via Rockchip RV1108 UART1"
834 		  Say Y here if you want kernel low-level debugging support
838 		bool "Kernel low-level debugging messages via Rockchip RV1108 UART2"
842 		  Say Y here if you want kernel low-level debugging support
846 		bool "Kernel low-level debugging messages via Rockchip RK29 UART0"
850 		  Say Y here if you want kernel low-level debugging support
854 		bool "Kernel low-level debugging messages via Rockchip RK29 UART1"
858 		  Say Y here if you want kernel low-level debugging support
862 		bool "Kernel low-level debugging messages via Rockchip RK29 UART2"
866 		  Say Y here if you want kernel low-level debugging support
870 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0"
874 		  Say Y here if you want kernel low-level debugging support
878 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1"
882 		  Say Y here if you want kernel low-level debugging support
886 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2"
890 		  Say Y here if you want kernel low-level debugging support
894 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3"
898 		  Say Y here if you want kernel low-level debugging support
902 		bool "Kernel low-level debugging messages via Rockchip RK32 UART2"
906 		  Say Y here if you want kernel low-level debugging support
910 		bool "Kernel low-level debugging messages via SCIF2 on R7S72100"
913 		  Say Y here if you want kernel low-level debugging support
917 		bool "Kernel low-level debugging messages via SCIF2 on R7S9210"
920 		  Say Y here if you want kernel low-level debugging support
924 		bool "Kernel low-level debugging messages via SCIF4 on R7S9210"
927 		  Say Y here if you want kernel low-level debugging support
931 		bool "Kernel low-level debugging messages via SCIF0 on R8A7778"
934 		  Say Y here if you want kernel low-level debugging support
935 		  via SCIF0 on Renesas R-Car M1A (R8A7778).
938 		bool "Kernel low-level debugging messages via SCIF2 on R8A7779"
941 		  Say Y here if you want kernel low-level debugging support
942 		  via SCIF2 on Renesas R-Car H1 (R8A7779).
945 		bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1"
949 		  Say Y here if you want kernel low-level debugging support
951 		  R-Car H2 (R8A7790), M2-W (R8A7791), V2H (R8A7792), or
952 		  M2-N (R8A7793).
955 		bool "Kernel low-level debugging messages via SCIF1 on R8A77470"
958 		  Say Y here if you want kernel low-level debugging support
962 		bool "Kernel low-level debugging messages via SCIF2 on R8A7794"
965 		  Say Y here if you want kernel low-level debugging support
966 		  via SCIF2 on Renesas R-Car E2 (R8A7794).
969 		bool "Kernel low-level debugging messages via SCIF4 on R8A7745"
972 		  Say Y here if you want kernel low-level debugging support
976 		bool "Kernel low-level debugging messages via SCIFA2 on R8A7742"
979 		  Say Y here if you want kernel low-level debugging support
983 		bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4"
986 		  Say Y here if you want kernel low-level debugging support
987 		  via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4).
990 		bool "Kernel low-level debugging messages via SCIFA1 on R8A7740"
993 		  Say Y here if you want kernel low-level debugging support
994 		  via SCIFA1 on Renesas R-Mobile A1 (R8A7740).
997 		bool "Kernel low-level debugging messages via SCIFA4 on SH73A0"
1000 		  Say Y here if you want kernel low-level debugging support
1001 		  via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0).
1008 		bool "Use Samsung S3C UART 0 for low-level debug"
1011 		  their output to UART 0. The port must have been initialised
1012 		  by the boot-loader before use.
1019 		bool "Use Samsung S3C UART 1 for low-level debug"
1022 		  their output to UART 1. The port must have been initialised
1023 		  by the boot-loader before use.
1030 		bool "Use Samsung S3C UART 2 for low-level debug"
1033 		  their output to UART 2. The port must have been initialised
1034 		  by the boot-loader before use.
1041 		bool "Use Samsung S3C UART 3 for low-level debug"
1044 		  their output to UART 3. The port must have been initialised
1045 		  by the boot-loader before use.
1049 		bool "Use SA1100 UARTs for low-level debug"
1051 		  Say Y here if you want kernel low-level debugging support
1052 		  on SA-11x0 UART ports. The kernel will check for the first
1053 		  enabled UART in a sequence 3-1-2.
1060 		  Say Y here if you want kernel low-level debugging support
1065 		bool "Use SOCFPGA UART0 for low-level debug"
1068 		  Say Y here if you want kernel low-level debugging support
1073 		bool "Use SOCFPGA Arria10 UART1 for low-level debug"
1076 		  Say Y here if you want kernel low-level debugging support
1081 		bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug"
1084 		  Say Y here if you want kernel low-level debugging support
1088 		bool "Kernel low-level debugging messages via sun9i UART0"
1092 		  Say Y here if you want kernel low-level debugging support
1096 		bool "Kernel low-level debugging messages via sunXi UART0"
1100 		  Say Y here if you want kernel low-level debugging support
1104 		bool "Kernel low-level debugging messages via sunXi UART1"
1108 		  Say Y here if you want kernel low-level debugging support
1112 		bool "Kernel low-level debugging messages via sunXi R_UART"
1116 		  Say Y here if you want kernel low-level debugging support
1120 		bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART"
1124 		  Say Y here if you want kernel low-level debugging support
1128 		bool "Kernel low-level debugging messages via ST SPEAr 13xx UART"
1132 		  Say Y here if you want kernel low-level debugging support
1136 		bool "Use StiH415/416 ASC2 UART for low-level debug"
1139 		  Say Y here if you want kernel low-level debugging support
1146 		bool "Use StiH415/416 SBC ASC1 UART for low-level debug"
1149 		  Say Y here if you want kernel low-level debugging support
1156 		bool "Use StiH418 SBC ASC0 UART for low-level debug"
1159 		  Say Y here if you want kernel low-level debugging support
1166 		bool "Use STM32F4 UART for low-level debug"
1170 		  Say Y here if you want kernel low-level debugging support
1178 		bool "Use STM32F7 UART for low-level debug"
1182 		  Say Y here if you want kernel low-level debugging support
1190 		bool "Use STM32H7 UART for low-level debug"
1194 		  Say Y here if you want kernel low-level debugging support
1202 		bool "Use STM32MP1 UART for low-level debug"
1206 		  Say Y here if you want kernel low-level debugging support on
1207 		  STM32MP1-based platforms, where the default UART is wired to
1214 		bool "Kernel low-level debugging messages via Tegra UART via ODMDATA"
1218 		  Automatically determines which UART to use for low-level
1226 		bool "Kernel low-level debugging messages via Tegra UART A"
1230 		  Say Y here if you want kernel low-level debugging support
1234 		bool "Kernel low-level debugging messages via Tegra UART B"
1238 		  Say Y here if you want kernel low-level debugging support
1242 		bool "Kernel low-level debugging messages via Tegra UART C"
1246 		  Say Y here if you want kernel low-level debugging support
1250 		bool "Kernel low-level debugging messages via Tegra UART D"
1254 		  Say Y here if you want kernel low-level debugging support
1258 		bool "Kernel low-level debugging messages via Tegra UART E"
1262 		  Say Y here if you want kernel low-level debugging support
1267 		bool "Use Ux500 UART for low-level debug"
1269 		  Say Y here if you want kernel low-level debugging support
1273 		bool "Kernel low-level debugging messages via ARM Versatile UART"
1277 		  Say Y here if you want kernel low-level debugging support
1281 		bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
1288 		  Note that this will only work with standard A-class core tiles,
1289 		  and may fail with non-standard SMM or custom software models.
1292 		bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)"
1297 		  this applies only to the V2P-CA9 tile.
1305 		  of the tiles using the RS1 memory map, including all new A-class
1306 		  core tiles, FPGA-based SMMs and software models.
1309 		bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)"
1314 		  Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7
1320 		  Say Y here if you want kernel low-level debugging support
1327 		  This option selects UART0 on VIA/Wondermedia System-on-a-chip
1331 		bool "Kernel low-level debugging on Xilinx Zynq using UART0"
1338 		bool "Kernel low-level debugging on Xilinx Zynq using UART1"
1348 		bool "Kernel low-level debugging via EmbeddedICE DCC channel"
1352 		  co-processor 14. This is known to work on the ARM9 style ICE
1359 		bool "Kernel low-level debug output via semihosting I/O"
1375 		bool "Kernel low-level debugging via 8250 UART"
1381 		  you know the parameters for the port.
1388 		bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART"
1394 		  options above if you know the parameters for the port.
1429 	int "i.MX Debug UART Port Selection"
1445 	  Choose UART port on which kernel low-level debug messages
1449 	int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART
1454 	  Choose UART port on which kernel low-level debug messages
1504 	default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2
1505 	default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF2
1506 	default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF4
1507 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0
1508 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2
1509 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0
1510 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1
1511 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2
1512 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4
1513 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIFA2
1514 	default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0
1515 	default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1
1516 	default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4
1532 	default "mach/debug-macro.S"
1783 	bool "Use 32-bit accesses for 8250 UART"
1794 	bool "8250 UART is Palmchip BK-310x"
1822 	  kernel low-level debugging functions. Add earlyprintk to your